Evaluation of efficacy and optimal therapeutic parameters of ALA-PDT in the management of HPV-associated cervical intraepithelial neoplasia grade I - Takeaways - MDSpire

Evaluation of efficacy and optimal therapeutic parameters of ALA-PDT in the management of HPV-associated cervical intraepithelial neoplasia grade I

  • By

  • Qian Yu

  • Ling Wei

  • Lirui Wu

  • Suning Chen

  • Bo Liu

  • Lianlian Gao

  • July 10, 2026

  • 0 min

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  • 1

    The study evaluated the effectiveness and safety of ALA-PDT for treating HPV-associated cervical intraepithelial neoplasia grade I (CIN I).

  • 2

    240 patients with CIN I were divided into four groups based on different ALA application times and light exposure durations for treatment.

  • 3

    Group B2, with a 5-hour ALA application and 40-minute light exposure, showed the highest cure rate and lowest recurrence rate.

  • 4

    Significant reductions in HPV positivity rates were observed across all groups, particularly in HPV16 and HPV18 types.

  • 5

    No significant differences in progression rates or adverse reactions were noted among the treatment groups.

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